从对目标坐标测定仪中激光回波率的分析入手，阐明了应用图像取差原理极大地提高了测距系统的回波率的原因。
The factors that influence the laser echo rate are analyzed in this paper and then elucidated that the application of this principle improved the echo rate greatly.
研究天气雷达测定回波顶高的几种误差表明：大气异常折射会引起回波顶高明显误差。
It has been shown by studying the radar echo top heights that the abnormal refraction of the atmosphere can cause obvious errors in the radar measurements of height.
通过使用雷电探测定位系统、卫星云图和雷达回波图像等资料，针对雷电数据进行技术分析。
By use of lightning detection and positioning system, satellite cloud and radar echo images as well as the lightning data are analyzed.
通过使用雷电探测定位系统、卫星云图和雷达回波图像等资料，针对雷电数据进行技术分析。
By use of lightning detection and positioning system, satellite cloud and radar echo images as well as the lightning data are analyzed.
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